🐝 Ants, Bees & Wasps

Blue Cuckoo Wasp

Trichrysis cyanea

About Blue Cuckoo Wasp

A uniformly deep blue metallic cuckoo wasp found across Europe and Asia. It parasitizes various cavity-nesting wasps and bees in dead wood and walls.

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Did You Know?

Its entirely blue coloration without any red or gold makes it one of the most distinctive cuckoo wasps in Europe.

How to Identify Blue Cuckoo Wasp

Blue Cuckoo Wasp (Trichrysis cyanea) belongs to the order Hymenoptera, family Chrysididae. Adults typically measure 5-8 mm.

Blue Cuckoo Wasp Habitat

Blue Cuckoo Wasp is found in woodlands habitats, particularly across Europe, Asia. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Blue Cuckoo Wasp Diet and Feeding

Blue Cuckoo Wasp feeds on wood and bark, often boring into timber. Wood-feeding insects contribute to the decomposition of dead trees and nutrient cycling in forest ecosystems.

Where Is Blue Cuckoo Wasp Found?

Blue Cuckoo Wasp can be found in Europe, Asia, where it inhabits woodlands environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Blue Cuckoo Wasp can be found

Is Blue Cuckoo Wasp Dangerous?

Blue Cuckoo Wasp belongs to the order Hymenoptera, which includes many stinging insects. While not typically aggressive, it may sting if threatened or handled. Stings can cause pain and swelling, and in rare cases may trigger allergic reactions in sensitive individuals.

Blue Cuckoo Wasp Role in Nature

Blue Cuckoo Wasp is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.

Seasonal Activity

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Peak activity Moderate Low / dormant

Frequently Asked Questions About Blue Cuckoo Wasp

What does Blue Cuckoo Wasp look like?

The Blue Cuckoo Wasp typically measures 5-8 mm.

Where is Blue Cuckoo Wasp found?

The Blue Cuckoo Wasp is found in Europe, Asia and typically inhabits woodlands environments.

What does Blue Cuckoo Wasp eat?

The Blue Cuckoo Wasp feeds on wood and bark, often boring into timber.

Is Blue Cuckoo Wasp dangerous to humans?

The Blue Cuckoo Wasp belongs to the order Hymenoptera, which includes stinging insects. While not typically aggressive, it may sting if threatened or handled.

What is an interesting fact about Blue Cuckoo Wasp?

Its entirely blue coloration without any red or gold makes it one of the most distinctive cuckoo wasps in Europe.

Cite This Page

APA:
InsectDiscover. (2026). Blue Cuckoo Wasp (Trichrysis cyanea). Retrieved from https://insectdiscover.com/insect/blue-cuckoo-wasp

MLA:
"Blue Cuckoo Wasp." InsectDiscover, https://insectdiscover.com/insect/blue-cuckoo-wasp.